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Hassium vs Einsteinium

Hassium
Einsteinium
Einsteinium vs Hassium


Periodic Table
Symbol
Hs  
Es  
Group Number
8  
10
13  
5
Period Number
7  
7  
Block
d block  
f block  
Element Family
Transition Metal  
Actinide  
CAS Number
54037579  
11
7429927  
99+
Space Group Name
-  
-  
Space Group Number
166.00  
9
194.00  
7
Facts
Interesting Facts
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
  • Einsteinium is the transuranic element found in US.
  • Only 0.01 mg of Einsteinium was synthesized in 1961.
  
Sources
Synthetically Produced  
Made by Bombarding Uranium with Neutrons  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Lawrence Berkeley National Laboratory  
Discovery
In 1984  
In 1952  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
35
Abundance In Sun
-  
0.00 %  
30
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
-  
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Hassium metal are limited to research purpose only.
  
  • Currently known uses of Einsteinium metal are limited to research purpose only.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys, Nuclear Research, Research Purposes  
Biological Properties
  
  
Toxicity
-  
Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
-  
860.00 °C  
99+
Boiling Point
0.00 °C  
99+
996.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silver  
Luster
-  
-  
Hardness
  
  
Mohs Hardness
4.50  
10
6.00  
6
Brinell Hardness
230.00 MPa  
99+
240.00 MPa  
99+
Vickers Hardness
2,450.00 MPa  
5
550.00 MPa  
31
Speed of Sound
2,760.00 m/s  
99+
2,850.00 m/s  
40
Optical Properties
  
  
Refractive Index
1.30  
99+
1.30  
99+
Reflectivity
69.00 %  
14
63.00 %  
20
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Hs  
Es  
Isotopes
  
  
Known Isotopes
7  
31
16  
23
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.54  
27
Sanderson Electronegativity
1.30  
25
1.30  
25
Allred Rochow Electronegativity
1.30  
25
1.20  
28
Mulliken-Jaffe Electronegativity
1.30  
33
1.30  
33
Allen Electronegativity
1.30  
40
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.70  
22
Ionization Energies
  
  
1st Energy Level
733.30 kJ/mol  
26
619.00 kJ/mol  
99+
2nd Energy Level
1,756.00 kJ/mol  
25
1,216.00 kJ/mol  
99+
3rd Energy Level
2,827.00 kJ/mol  
37
2,334.00 kJ/mol  
99+
4th Energy Level
3,637.50 kJ/mol  
99+
3,734.00 kJ/mol  
99+
5th Energy Level
4,940.00 kJ/mol  
99+
6,190.00 kJ/mol  
40
6th Energy Level
6,175.10 kJ/mol  
99+
6,190.00 kJ/mol  
99+
7th Energy level
7,535.50 kJ/mol  
32
6,190.00 kJ/mol  
99+
8th Energy Level
8,857.40 kJ/mol  
21
6,190.00 kJ/mol  
99+
9th Energy Level
5,400.00 kJ/mol  
99+
4,520.00 kJ/mol  
99+
10th Energy Level
6,100.00 kJ/mol  
99+
6,190.00 kJ/mol  
99+
11th Energy Level
6,100.00 kJ/mol  
99+
6,190.00 kJ/mol  
99+
12th Energy Level
3,500.00 kJ/mol  
99+
61,900.00 kJ/mol  
12
13th Energy Level
4,200.00 kJ/mol  
99+
6,190.00 kJ/mol  
39
14th Energy Level
1,124.00 kJ/mol  
99+
6,190.00 kJ/mol  
28
15th Energy Level
68,200.00 kJ/mol  
31
61,900.00 kJ/mol  
40
16th Energy Level
32,800.00 kJ/mol  
99+
61,900.00 kJ/mol  
30
17th Energy Level
1,089.00 kJ/mol  
22
619.00 kJ/mol  
99+
18th Energy Level
3,300.00 kJ/mol  
99+
6,190.00 kJ/mol  
99+
19th Energy Level
1,086.50 kJ/mol  
19
619.00 kJ/mol  
99+
20th Energy Level
880.00 kJ/mol  
14
619.00 kJ/mol  
99+
21st Energy Level
1,086.00 kJ/mol  
30
6,190.00 kJ/mol  
15
22nd Energy Level
350.00 kJ/mol  
99+
619.00 kJ/mol  
38
23rd Energy Level
1,120.00 kJ/mol  
34
6,190.00 kJ/mol  
15
24th Energy Level
540.90 kJ/mol  
99+
619.40 kJ/mol  
40
25th Energy Level
610.00 kJ/mol  
99+
619.00 kJ/mol  
99+
26th Energy Level
587.40 kJ/mol  
99+
619.40 kJ/mol  
40
27th Energy Level
880.00 kJ/mol  
5
619.40 kJ/mol  
99+
28th Energy Level
840.00 kJ/mol  
14
619.40 kJ/mol  
99+
29th Energy Level
867.80 kJ/mol  
11
619.40 kJ/mol  
99+
30th Energy Level
0.00 kJ/mol  
99+
619.40 kJ/mol  
99+
Electrochemical Equivalent
3.00 g/amp-hr  
21
4.74 g/amp-hr  
5
Electron Work Function
4.90 eV  
12
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
108  
10
99  
19
Electron Configuration
[Rn] 5f14 6d6 7s2  
[Rn] 5f11 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Face Centered Cubic (FCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
FCC-Crystal-Structure-of-Einsteinium.jpg#100  
Atom
  
  
Number of Protons
108  
10
99  
19
Number of Neutrons
158  
7
153  
10
Number of Electrons
108  
10
99  
19
Radius of an Atom
  
  
Atomic Radius
126.00 pm  
99+
186.00 pm  
11
Covalent Radius
134.00 pm  
99+
186.00 pm  
21
Van der Waals Radius
0.00 pm  
99+
0.00 pm  
99+
Atomic Weight
269.00 amu  
9
252.00 amu  
16
Atomic Volume
22.70 cm3/mol  
18
17.04 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Bohrium
  
Californium
  
Next Element
Meitnerium
  
Fermium
  
Valence Electron Potential
0.00 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
-  
582.00 pm  
8
Lattice Angles
-  
-  
Lattice C/A Ratio
1.31  
99+
1.29  
99+
Mechanical
Density
  
  
Density At Room Temperature
40.70 g/cm3  
1
8.84 g/cm3  
99+
Density When Liquid (at m.p.)
41.00 g/cm3  
1
8.84 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
0.10 MPa  
99+
Viscosity
0.00  
27
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
24
Elasticity properties
  
  
Shear Modulus
40.00 GPa  
19
30.00 GPa  
27
Bulk Modulus
40.00 GPa  
38
40.00 GPa  
38
Young's Modulus
40.00 GPa  
99+
0.00 GPa  
99+
Poisson Ratio
0.34  
10
0.33  
11
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
41.00  
2
8.84  
99+
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
8
0.00 H/m  
17
Susceptibility
0.00  
25
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
41.00 nΩ·m  
99+
6.30 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.14 106/cm Ω  
15
Electron Affinity
63.20 kJ/mol  
19
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.13 J/(kg K)  
99+
0.10 J/(kg K)  
99+
Molar Heat Capacity
25.92 J/mol·K  
99+
27.20 J/mol·K  
24
Thermal Conductivity
0.00 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
1,323.00 K  
99+
1,133.00 K  
99+
Thermal Expansion
21.20 µm/(m·K)  
23
13.50 µm/(m·K)  
33
Enthalpy
  
  
Enthalpy of Vaporization
126.00 kJ/mol  
99+
323.80 kJ/mol  
99+
Enthalpy of Fusion
-  
14.80 kJ/mol  
24
Enthalpy of Atomization
-  
-  
Standard Molar Entropy
57.20 J/mol.K  
29
63.00 J/mol.K  
24
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